Home / 323,616,098.20-485,424,147.30-108,205,346.20

Finding the Fourth Proportional to 323,616,098.20, 485,424,147.30 and 108,205,346.20

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Solution

The fourth proportional to 323,616,098.20, 485,424,147.30 and 108,205,346.20 is: 162,308,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,616,098.20 : 485,424,147.30 = 108,205,346.20 : x
  2. Step 2: Convert to fraction form
    323,616,098.20/485,424,147.30 = 108,205,346.20/x
  3. Step 3: Cross multiply
    323,616,098.20x = 485,424,147.30 × 108,205,346.20
  4. Step 4: Simplify right side
    323,616,098.20x = 52,525,487,912,436,296
  5. Step 5: Solve for x
    x = 52,525,487,912,436,296/323,616,098.20
  6. Step 6: Final answer
    x = 162,308,019.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.